Integrity Management

Integrity Management

Significant maintenance costs for pipeline operation is associated with corrosion control and integrity management. The driving force for maintenance expenditures is to preserve the asset of the pipeline and to ensure safe operation without failures that may jeopardize public safety, result in product loss, or cause property and environmental damage. A recent survey of major pipeline companies indicated that the primary loss of cathodic protection was due to the following two reasons: (1) coating deterioration (30%) and (2) inadequate cathodic protection current (20%). The majority of general maintenance is associated with monitoring and repairing problems, whereas integrity management focuses on condition assessment, corrosion mitigation, life assessment, and risk modeling. With a range of corrosion operation and maintenance cost of $3,100 to $6,200 per km ($5,000 to $10,000 per mile), the total corrosion operation and maintenance cost ranges from $2.42 billion to $4.84 billion.

The total cost of corrosion on distribution lines in the United States was estimated at approximately $5 billion dollars.

In 2006, the DOT/PHMSA issued a final rule expanding the regulation to cover onshore gathering lines as defined by API RP 80. At a DOT/PHMSA workshop held in Denver, Colorado in the fall of 2006, regulators stated they expect operators to have their gathering line up to code by 2012. It is estimated that more than 1,000,000 miles of gathering lines exist throughout the continental USA.

As outlined above, the demand for services to assure integrity of pipeline assets continues to expand. EMS is uniquely positioned as an integrated services provider to deliver a comprehensive solution, custom fit to each customer's needs.

EMS service capacity ranges from the development and implementation of a DOT certified Integrity Management Plan (IMP) to the full Operation and Maintenance (O&M) of a pipeline. O&M can be coupled with the EMS Pipeline Operations Control Center to provide our clients with a total turnkey service, including all DOT compliance requirements. We provide a complete suite of corrosion surveys such as Close Interval surveys (CIS), Direct Current Voltage Gradient (DCVG) surveys, Alternating Current Voltage Gradient (ACVG) surveys and External Corrosion Direct Assessment (ECDA) surveys. Additionally, Technicians are NACE certified and capable of completing bell hole inspections and corrosion anomaly mapping.

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